The blue version of the Penjingle app is good. The app is a good one, but it's not a good one. The blue version is the latest version, is a collection of classic high-quality novels reading platform, novels, colorful resources, all free to watch, the interface is refreshing no ads, every day the home page will be launched new novels, anytime and anywhere you can read new books. The red version is the old version of the Penjingge. The update is not as fast as the blue version, and the content is not as much as the blue version. The blue version of the high utilization rate.